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for Notebook, Monitor, MacBook - Charging Capability - USB Type C, USB Type A - 2 Displays Supported - 4K, 4K @ 60Hz, 4K UHD - 3840 x 2160, 4096 x 2160 - 6 x USB Ports - 5 x USB Type-A Ports - USB Type-A - 1 x USB Type-C Ports - USB Type-C - Network (RJ-45) - HDMI - DisplayPort - Wired - Gigabit Ethernet - ChromeOS 44, Mac OS X 10.14 Mojave, Windows 7 - 100W - Desktop
MSRP$239.99
$229.28
Save 4%Special order — estimated available by September 10, 2026.
Genuine Kensington Computer Products through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
Features | Universal Compatibility
Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above.
Sustainability Focused
The plastic in this product contains up to 50% post-consumer recycled (PCR) content.
Dual 4K Video via HDMI® 2.0 and DP++ 1.2
Four video ports allow you to select between HDMI® 2.0 and DP++ 1.2 without the need for cumbersome adapters. Also supports M1/M2/M3 MacBook with dual displays.
Up to 100W Power Delivery
Delivers power to laptop, docking station, and connected accessories. Supports up to 100W for USB-C® Alt Mode laptops. USB-A laptops require optional Power Splitter (K38310NA) for Power Delivery.
Multiple Ports
Delivers speeds up to 10Gbps via 1x USB-C® port and 5x USB-A ports. Front: 1x USB-C® 3.2 Gen2 up to 5V/3A or up to 9V/2A for supported devices, and 1x USB-A 3.2 Gen2 up to 5V/1.5A, supports BC 1.2, up to 5V/2.4A for Apple devices; Back: 4x USB-A 3.2 Gen1 up to 5V/0.9A. Also includes a Gigabit Ethernet port and audio combo jack.
Secure Screw Lock Connection
Host cable is equipped with secure screw lock connector for a consistent and reliable connection between the docking station and the laptop.
Zero-Footprint Mounting Option and Security Cable Lock Slots
Maximize desktop space by mounting your docking station out of the way. Mounting bracket sold separately (K34050WW). Protect your investment with a Kensington cable lock (K65020WW or K65021WW), sold separately.
Free Kensington DockWorks? Software and 3-Year Limited Warranty
Free DockWorks? software delivers the best connection, performance, and security from your Kensington dock. Enjoy peace of mind knowing your covered by Kensington with a professional warranty.
The SD4781P EQ USB-C® & USB-A Dual 4K Docking Station is a versatile and sustainable dock that supports USB-C® and legacy USB-A laptops with the all-in-one benefits of video, data, and power. Delivering support for up to 2 external Ultra HD monitors (4K @ 60Hz), and the ability to select between HDMI® 2.0 and DP++ 1.2 connections (4 video ports for up to 2 external displays), the SD4781P eliminates the need for cumbersome adapters. It provides up to 100W of power delivery to the laptop and dock and delivers data transfer speeds up to 10Gbps via 6 USB ports. Additional features include host cable with secure screw lock connection, Gigabit Ethernet port, combo audio jack, mountable design, sustainable components, optional Kensington DockWorks? software, and three-year limited warranty.
• Supports USB-C® and legacy USB-A laptops running Windows 7 or above, macOS 10.14 or above, Chrome OS 44 or above.
• The plastic in this product contains up to 50% post-consumer recycled (PCR) content.
• Ultra HD on up to 2 external monitors. Also supports M1/M2/M3 MacBook with dual displays.
• Delivers up to 100W of Power Delivery to compatible laptops while powering connected accessories. USB-A laptops require optional power splitter (K38310NA) for Power Delivery.
The Professionals' Choice™ With over 40 years of experience, Kensington has been a global leader in desktop productivity solutions since 2006. Known as the Professionals’ Choice, Kensington offers quality-tested products that exceed industry standards, comes with a superior warranty, and provides unmatched support. Built to last with up to 5-year limited warranties, you can trust that our solutions will serve your business for the long haul, reducing unexpected costs and frequent replacements. Experience the harmony of comfort and performance. Your ergonomics and wellness experience should be simple and cohesive, so the results are comfortable, personal, and professional. With Kensington, you gain peace of mind from working with an established U.S.-based partner that organizations worldwide have trusted for over four decades. Whether you're seeking cutting-edge tools to support your company's strategy or looking for the best value to stretch limited budgets, choosing the right tech partner matters.
| Host Interface | USB Type C, USB Type A |
|---|---|
| Product Type | Docking Station |
| Compatibility | Apple MacBook |
| Device Supported | Notebook, Monitor, MacBook |
| Manufacturer Part Number | K33603NA |
| Connectivity Technology | Wired |
| Form Factor | Desktop |
| Manufacturer | Kensington Computer Products Group |
| Product Model | SD4781P |
| Product Name | SD4781P EQ USB-C & USB-A Dual 4K Docking Station with 100W Power Delivery |
| Brand Name | Kensington |
| Charging Capability | Yes |
| Operating System Supported | ChromeOS 44, Mac OS X 10.14 Mojave, Windows 7 |
| Ethernet Technology | Gigabit Ethernet |
| HDMI | Yes |
| Network (RJ-45) | Yes |
| DisplayPort | Yes |
| Number of DisplayPort Outputs | 2 |
| Number of HDMI Outputs | 2 |
| Total Number of USB Ports | 6 |
| Number of Displays Supported | 2 |
| Headphone/Microphone Combo Port | Yes |
| Kensington Security Slot | Yes |
| USB Type-C | Yes |
| USB Type-C Detail | 1 x USB-C 3.2 Gen 2 (front) with 5V/3A, USB-C PD 3.0 (100W of laptop charging) |
| DisplayPort Version | 1.2++ |
| Number of USB Type-C Ports | 1 |
| Number of USB Type-A Ports | 5 |
| USB Power Delivery | 100W |
| Supported Resolutions | 3840 x 2160, 4096 x 2160 |
| Number of USB 3.2 Gen 1 Type-A Ports | 4 |
| Number of USB 3.2 Gen 2 Type-A Ports | 1 |
| USB Type-A | Yes |
| Screen Mode Supported | 4K, 4K @ 60Hz, 4K UHD |
Matched on Notebook · Wired
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